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6-23-2021 two ants found in Newark, DE


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#1 Offline drawpositive - Posted June 23 2021 - 8:38 PM

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1. Location (on a map) of collection:   Newark, Delaware (New Castle County)

2. Date of collection: June 23, 2021
3. Habitat of collection:  edge of parking lot, near an open field
4. Length (from head to gaster): ? N/A
5. Color, hue, pattern and texture:  reddish orange
6. Distinguishing characteristics: has a "wide-eyed" look of a Lasius ant; lots of hairs on thorax, some towards back of head
7. Distinguishing behavior: quite active; chews cotton ball
8. Nest description: N/A

9. Nuptial flight time and date: probably sometime in June

 

Attached are photos of the two ants I caught tonight.  To me, they look to be the same species (whatever that may be).  Although I am still new at this, if I were to guess their ID, I would say either some type of Lasius sp. or Pheidole sp.  I'm making that guess based off of previous ant ID'ing threads I've started and had answered buy the forums.  Specifically, these two ants seem to look an awful lot like the ant I asked about in this thread: https://www.formicul...ewark-delaware/

 

However, in the post in which the ant was identified as Pheidole sp., there appeared to be striations on the top of the head.  For the two current ants in question, I do not see any of this light pattern of ridges on the front of the face....perhaps it is just the angle of light in the photographs?  Another difference is that both of these two ants I am asking about today are really quite active.  One was even chewing on the cotton aggresively up to 2 hours after I put her in a test tube.  The first ant I caught (identified as Pheidole sp.)had a very calm temperament   Is this a difference between two different species?  Or do ants have different temperaments/"personalities" from one another --even within the same species?  Any insight the forum could provide would be greatly appreciated.  Thanks!

 

 



#2 Offline ponerinecat - Posted June 23 2021 - 8:48 PM

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Lasius interjectus.


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#3 Offline drawpositive - Posted June 24 2021 - 5:39 AM

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What characteristics are you looking for to determine it is of the genus Lasius?  I've looked around and can not find a dichotomous key to these ants.  They do look very similar to Pheidole ants.  What characteristics should I look out for when trying to determine the difference between Pheidole sp. and Lasius sp.?

 

(I'm sorry this is a double post; when I tried to acknowledge that on the other thread, the photos "jumped" from this post over to its duplicate --I expect the photos may "jump" back to this thread after I make this post.  Moderators, please delete one of these duplicate posts.  Sorry, my internet was slow last night --that is probably how this thread was posted twice in the same minute)



#4 Offline SYUTEO - Posted June 24 2021 - 6:20 AM

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Pheidole are Myrmicinae ants while Lasius are Formicinae ants, all Myrmicinae ants have two petiole (the ant's waist) nodes where as Formicinae ants have one or no petiole nodes.


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Began antkeeping in 2018  :)

 

All ant journal: https://www.formicul...os-ant-journal/


#5 Offline KadinB - Posted June 24 2021 - 7:59 AM

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She’s a parasitic spe so she’s gonna look a bit weird and not look like other lasius queens. I would release her tbh unless if you have host for her.


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#6 Offline drawpositive - Posted June 24 2021 - 8:54 AM

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Yes, I'll be releasing these two after work today.  I'm not ambitious enough to tackle a parasitic species yet.  Maybe in a few years if things go well with my "beginner species."


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#7 Offline OiledOlives - Posted June 30 2021 - 7:30 PM

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you should've kept her, interjectus are very cool



#8 Offline Kaelwizard - Posted July 1 2021 - 7:07 AM

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you should've kept her, interjectus are very cool

Parasitic species are quite the challenge though so I don’t blame them for not wanting to attempt it.




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